# The official Canonical Ubuntu Bionic image is ideal from a security perspective,
# especially for the enterprises that we, the RabbitMQ team, have to deal with
ARG BASE=ubuntu
FROM ${BASE}:20.04

RUN set -eux; \
        apt-get update; \
        apt-get install -y --no-install-recommends \
# grab gosu for easy step-down from root
        gosu \
        ; \
	rm -rf /var/lib/apt/lists/*; \
# verify that the "gosu" binary works
	gosu nobody true

# PGP key servers are too flaky for us to verify during every CI triggered build
# https://github.com/docker-library/official-images/issues/4252
ARG SKIP_PGP_VERIFY=false
# Default to a PGP keyserver that pgp-happy-eyeballs recognizes, but allow for substitutions locally
ARG PGP_KEYSERVER=ha.pool.sks-keyservers.net
# If you are building this image locally and are getting `gpg: keyserver receive failed: No data` errors,
# run the build with a different PGP_KEYSERVER, e.g. docker build --tag rabbitmq:3.7 --build-arg PGP_KEYSERVER=pgpkeys.eu 3.7/ubuntu
# For context, see https://github.com/docker-library/official-images/issues/4252

# Using the latest OpenSSL LTS release, with support until September 2023 - https://www.openssl.org/source/
ENV OPENSSL_VERSION 1.1.1g
ENV OPENSSL_SOURCE_SHA256="ddb04774f1e32f0c49751e21b67216ac87852ceb056b75209af2443400636d46"
# https://www.openssl.org/community/omc.html
ENV OPENSSL_PGP_KEY_IDS="0x8657ABB260F056B1E5190839D9C4D26D0E604491 0x5B2545DAB21995F4088CEFAA36CEE4DEB00CFE33 0xED230BEC4D4F2518B9D7DF41F0DB4D21C1D35231 0xC1F33DD8CE1D4CC613AF14DA9195C48241FBF7DD 0x7953AC1FBC3DC8B3B292393ED5E9E43F7DF9EE8C 0xE5E52560DD91C556DDBDA5D02064C53641C25E5D"

# Use the latest stable Erlang/OTP release - make find-latest-otp - https://github.com/erlang/otp/tags
ARG OTP_VERSION
ENV OTP_VERSION ${OTP_VERSION}
# TODO add PGP checking when the feature will be added to Erlang/OTP's build system
# http://erlang.org/pipermail/erlang-questions/2019-January/097067.html
ARG OTP_SHA256
ENV OTP_SOURCE_SHA256=${OTP_SHA256}
ARG SKIP_OTP_VERIFY=false

# Install dependencies required to build Erlang/OTP from source
# https://erlang.org/doc/installation_guide/INSTALL.html
# autoconf: Required to configure Erlang/OTP before compiling
# dpkg-dev: Required to set up host & build type when compiling Erlang/OTP
# gnupg: Required to verify OpenSSL artefacts
# libncurses5-dev: Required for Erlang/OTP new shell & observer_cli - https://github.com/zhongwencool/observer_cli
RUN set -eux; \
	\
	savedAptMark="$(apt-mark showmanual)"; \
	apt-get update; \
	apt-get install --yes --no-install-recommends \
		autoconf \
		ca-certificates \
		dpkg-dev \
		gcc \
		g++ \
		gnupg \
		libncurses5-dev \
		make \
		wget \
	; \
	rm -rf /var/lib/apt/lists/*; \
	\
	OPENSSL_SOURCE_URL="https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz"; \
	OPENSSL_PATH="/usr/local/src/openssl-$OPENSSL_VERSION"; \
	OPENSSL_CONFIG_DIR=/usr/local/etc/ssl; \
	\
# Required by the crypto & ssl Erlang/OTP applications
	wget --progress dot:giga --output-document "$OPENSSL_PATH.tar.gz.asc" "$OPENSSL_SOURCE_URL.asc"; \
	wget --progress dot:giga --output-document "$OPENSSL_PATH.tar.gz" "$OPENSSL_SOURCE_URL"; \
	export GNUPGHOME="$(mktemp -d)"; \
	for key in $OPENSSL_PGP_KEY_IDS; do \
		gpg --batch --keyserver "$PGP_KEYSERVER" --recv-keys "$key" || true; \
	done; \
	test "$SKIP_PGP_VERIFY" == "true" || gpg --batch --verify "$OPENSSL_PATH.tar.gz.asc" "$OPENSSL_PATH.tar.gz"; \
	gpgconf --kill all; \
	rm -rf "$GNUPGHOME"; \
	echo "$OPENSSL_SOURCE_SHA256 *$OPENSSL_PATH.tar.gz" | sha256sum --check --strict -; \
	mkdir -p "$OPENSSL_PATH"; \
	tar --extract --file "$OPENSSL_PATH.tar.gz" --directory "$OPENSSL_PATH" --strip-components 1; \
	\
# Configure OpenSSL for compilation
	cd "$OPENSSL_PATH"; \
# OpenSSL's "config" script uses a lot of "uname"-based target detection...
	MACHINE="$(dpkg-architecture --query DEB_BUILD_GNU_CPU)" \
	RELEASE="4.x.y-z" \
	SYSTEM='Linux' \
	BUILD='???' \
	./config \
		--openssldir="$OPENSSL_CONFIG_DIR" \
# add -rpath to avoid conflicts between our OpenSSL's "libssl.so" and the libssl package by making sure /usr/local/lib is searched first (but only for Erlang/OpenSSL to avoid issues with other tools using libssl; https://github.com/docker-library/rabbitmq/issues/364)
		-Wl,-rpath=/usr/local/lib \
	; \
# Compile, install OpenSSL, verify that the command-line works & development headers are present
	make -j "$(getconf _NPROCESSORS_ONLN)"; \
	make install_sw install_ssldirs; \
	cd ..; \
	rm -rf "$OPENSSL_PATH"*; \
	ldconfig; \
# use Debian's CA certificates
	rmdir "$OPENSSL_CONFIG_DIR/certs" "$OPENSSL_CONFIG_DIR/private"; \
	ln -sf /etc/ssl/certs /etc/ssl/private "$OPENSSL_CONFIG_DIR"; \
# smoke test
	openssl version; \
	\
	OTP_SOURCE_URL="https://github.com/erlang/otp/archive/OTP-$OTP_VERSION.tar.gz"; \
	OTP_PATH="/usr/local/src/otp-$OTP_VERSION"; \
	\
# Download, verify & extract OTP_SOURCE
	mkdir -p "$OTP_PATH"; \
	wget --progress dot:giga --output-document "$OTP_PATH.tar.gz" "$OTP_SOURCE_URL"; \
	test "$SKIP_OTP_VERIFY" = "true" || echo "$OTP_SOURCE_SHA256 *$OTP_PATH.tar.gz" | sha256sum --check --strict -; \
	tar --extract --file "$OTP_PATH.tar.gz" --directory "$OTP_PATH" --strip-components 1; \
	\
# Configure Erlang/OTP for compilation, disable unused features & applications
# https://erlang.org/doc/applications.html
# ERL_TOP is required for Erlang/OTP makefiles to find the absolute path for the installation
	cd "$OTP_PATH"; \
	export ERL_TOP="$OTP_PATH"; \
	./otp_build autoconf; \
	CFLAGS="$(dpkg-buildflags --get CFLAGS)"; export CFLAGS; \
# add -rpath to avoid conflicts between our OpenSSL's "libssl.so" and the libssl package by making sure /usr/local/lib is searched first (but only for Erlang/OpenSSL to avoid issues with other tools using libssl; https://github.com/docker-library/rabbitmq/issues/364)
	export CFLAGS="$CFLAGS -Wl,-rpath=/usr/local/lib"; \
	hostArch="$(dpkg-architecture --query DEB_HOST_GNU_TYPE)"; \
	buildArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
	dpkgArch="$(dpkg --print-architecture)"; dpkgArch="${dpkgArch##*-}"; \
	./configure \
		--host="$hostArch" \
		--build="$buildArch" \
		--disable-dynamic-ssl-lib \
		--disable-hipe \
		--disable-sctp \
		--disable-silent-rules \
		--enable-jit \
		--enable-clock-gettime \
		--enable-hybrid-heap \
		--enable-kernel-poll \
		--enable-shared-zlib \
		--enable-smp-support \
		--enable-threads \
		--with-microstate-accounting=extra \
		--without-common_test \
		--without-debugger \
		--without-dialyzer \
		--without-diameter \
		--without-edoc \
		--without-erl_docgen \
		--without-et \
		--without-eunit \
		--without-ftp \
		--without-hipe \
		--without-jinterface \
		--without-megaco \
		--without-observer \
		--without-odbc \
		--without-reltool \
		--without-ssh \
		--without-tftp \
		--without-wx \
	; \
# Compile & install Erlang/OTP
	make -j "$(getconf _NPROCESSORS_ONLN)" GEN_OPT_FLGS="-O2 -fno-strict-aliasing"; \
	make install; \
	cd ..; \
	rm -rf \
		"$OTP_PATH"* \
		/usr/local/lib/erlang/lib/*/examples \
		/usr/local/lib/erlang/lib/*/src \
	; \
	\
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
	apt-mark auto '.*' > /dev/null; \
	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
	find /usr/local -type f -executable -exec ldd '{}' ';' \
		| awk '/=>/ { print $(NF-1) }' \
		| sort -u \
		| xargs -r dpkg-query --search \
		| cut -d: -f1 \
		| sort -u \
		| xargs -r apt-mark manual \
	; \
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
	\
# Check that OpenSSL still works after purging build dependencies
	openssl version; \
# Check that Erlang/OTP crypto & ssl were compiled against OpenSSL correctly
	erl -noshell -eval 'io:format("~p~n~n~p~n~n", [crypto:supports(), ssl:versions()]), init:stop().'

ENV RABBITMQ_DATA_DIR=/var/lib/rabbitmq
# Create rabbitmq system user & group, fix permissions & allow root user to connect to the RabbitMQ Erlang VM
RUN set -eux; \
	groupadd --gid 999 --system rabbitmq; \
	useradd --uid 999 --system --home-dir "$RABBITMQ_DATA_DIR" --gid rabbitmq rabbitmq; \
	mkdir -p "$RABBITMQ_DATA_DIR" /etc/rabbitmq /etc/rabbitmq/conf.d /tmp/rabbitmq-ssl /var/log/rabbitmq; \
	chown -fR rabbitmq:rabbitmq "$RABBITMQ_DATA_DIR" /etc/rabbitmq /etc/rabbitmq/conf.d /tmp/rabbitmq-ssl /var/log/rabbitmq; \
	chmod 777 "$RABBITMQ_DATA_DIR" /etc/rabbitmq /etc/rabbitmq/conf.d /tmp/rabbitmq-ssl /var/log/rabbitmq; \
	ln -sf "$RABBITMQ_DATA_DIR/.erlang.cookie" /root/.erlang.cookie

# https://www.rabbitmq.com/signatures.html#importing-gpg
# ENV RABBITMQ_PGP_KEY_ID="0x0A9AF2115F4687BD29803A206B73A36E6026DFCA"
ENV RABBITMQ_HOME=/opt/rabbitmq

# Add RabbitMQ to PATH, send all logs to TTY
ENV PATH=$RABBITMQ_HOME/sbin:$PATH \
	RABBITMQ_LOGS=-

RUN set -eux; \
	\
	savedAptMark="$(apt-mark showmanual)"; \
	apt-get update; \
	apt-get install --yes --no-install-recommends \
		ca-certificates \
		gnupg \
		wget \
		xz-utils \
	; \
	rm -rf /var/lib/apt/lists/*; \
	\
	apt-mark auto '.*' > /dev/null; \
	apt-mark manual $savedAptMark; \
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false

# Install RabbitMQ
ARG RABBITMQ_BUILD
COPY ${RABBITMQ_BUILD} $RABBITMQ_HOME

RUN set -eux; \
# Do not default SYS_PREFIX to RABBITMQ_HOME, leave it empty
	grep -qE '^SYS_PREFIX=\$\{RABBITMQ_HOME\}$' "$RABBITMQ_HOME/sbin/rabbitmq-defaults"; \
	sed -i 's/^SYS_PREFIX=.*$/SYS_PREFIX=/' "$RABBITMQ_HOME/sbin/rabbitmq-defaults"; \
	grep -qE '^SYS_PREFIX=$' "$RABBITMQ_HOME/sbin/rabbitmq-defaults"; \
	chown -R rabbitmq:rabbitmq "$RABBITMQ_HOME"; \
	\
# verify assumption of no stale cookies
	[ ! -e "$RABBITMQ_DATA_DIR/.erlang.cookie" ]; \
# Ensure RabbitMQ was installed correctly by running a few commands that do not depend on a running server, as the rabbitmq user
# If they all succeed, it's safe to assume that things have been set up correctly
	gosu rabbitmq rabbitmqctl help; \
	gosu rabbitmq rabbitmqctl list_ciphers; \
	gosu rabbitmq rabbitmq-plugins list; \
# no stale cookies
	rm "$RABBITMQ_DATA_DIR/.erlang.cookie"

# Added for backwards compatibility - users can simply COPY custom plugins to /plugins
RUN ln -sf /opt/rabbitmq/plugins /plugins

# set home so that any `--user` knows where to put the erlang cookie
ENV HOME $RABBITMQ_DATA_DIR
# Hint that the data (a.k.a. home dir) dir should be separate volume
VOLUME $RABBITMQ_DATA_DIR

# warning: the VM is running with native name encoding of latin1 which may cause Elixir to malfunction as it expects utf8. Please ensure your locale is set to UTF-8 (which can be verified by running "locale" in your shell)
# Setting all environment variables that control language preferences, behaviour differs - https://www.gnu.org/software/gettext/manual/html_node/The-LANGUAGE-variable.html#The-LANGUAGE-variable
# https://docs.docker.com/samples/library/ubuntu/#locales
ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8

COPY --chown=rabbitmq:rabbitmq 10-default-guest-user.conf /etc/rabbitmq/conf.d/
COPY docker-entrypoint.sh /usr/local/bin/
ENTRYPOINT ["docker-entrypoint.sh"]

# EPMD AMQP-TLS AMQP ERLANG
EXPOSE 4369 5671 5672 25672
CMD ["rabbitmq-server"]

# rabbitmq_management
RUN rabbitmq-plugins enable --offline rabbitmq_management && \
    rabbitmq-plugins is_enabled rabbitmq_management --offline
# extract "rabbitmqadmin" from inside the "rabbitmq_management-X.Y.Z.ez" plugin zipfile
# see https://github.com/docker-library/rabbitmq/issues/207
# RabbitMQ 3.9 onwards uses uncompressed plugins by default, in which case extraction is
# unnecesary
RUN set -eux; \
	if [ -s /plugins/rabbitmq_management-*.ez ]; then \
		erl -noinput -eval ' \
			{ ok, AdminBin } = zip:foldl(fun(FileInArchive, GetInfo, GetBin, Acc) -> \
				case Acc of \
					"" -> \
						case lists:suffix("/rabbitmqadmin", FileInArchive) of \
							true -> GetBin(); \
							false -> Acc \
						end; \
					_ -> Acc \
				end \
			end, "", init:get_plain_arguments()), \
			io:format("~s", [ AdminBin ]), \
			init:stop(). \
		' -- /plugins/rabbitmq_management-*.ez > /usr/local/bin/rabbitmqadmin; \
	else \
		cp /plugins/rabbitmq_management-*/priv/www/cli/rabbitmqadmin /usr/local/bin/rabbitmqadmin; \
	fi; \
	[ -s /usr/local/bin/rabbitmqadmin ]; \
	chmod +x /usr/local/bin/rabbitmqadmin; \
	apt-get update; apt-get install -y --no-install-recommends python3 dstat sysstat htop nmon tmux neovim; rm -rf /var/lib/apt/lists/*; \
	rabbitmqadmin --version
# MANAGEMENT-TLS MANAGEMENT
EXPOSE 15671 15672

RUN rabbitmq-plugins enable --offline rabbitmq_prometheus && \
    rabbitmq-plugins is_enabled rabbitmq_prometheus --offline
# PROMETHEUS-TLS PROMETHEUS
EXPOSE 15691 15692

RUN rabbitmq-plugins enable --all
# STREAM-TLS STREAM
EXPOSE 5551 5552
# MQTT-TLS MQTT
EXPOSE 8883 1883
# WEB-MQTT-TLS WEB-MQTT
EXPOSE 15676 15675
# STOMP-TLS STOMP
EXPOSE 61614 61613
# WEB-STOMP-TLS WEB-STOMP
EXPOSE 15673 15674
# EXAMPLES
EXPOSE 15670
